black oxide coating 中文意思是什麼
black oxide coating
解釋
發黑-
Results indicated that wear resistance and corrosion resistance of black tin coating were higher than that of black oxide film or phosphatizing films
結果表明,其耐磨損、耐腐蝕性能均高於氧化和磷化黑色膜層。 -
Chemical conversion coatings - black oxide coating on iron and steel - specification and test methods
化學轉化膜鋼鐵黑色氧化膜規范和試驗方法
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